Fix minimum npm version

package-lock.json

@@ -126,7 +126,7 @@
       },
       "engines": {
         "node": ">=20.0.0",
-        "npm": ">=10.0.0",
+        "npm": ">=9.6.4",
         "yarn": "YARN NO LONGER USED - use npm instead."
       }
     },

package.json

@@ -151,7 +151,7 @@
   },
   "engines": {
     "node": ">=20.0.0",
-    "npm": ">=10.0.0",
+    "npm": ">=9.6.4",
     "yarn": "YARN NO LONGER USED - use npm instead."
   }
 }